如果以每天睡眠八小时计算，人的一生有三分之一的时间是在睡眠中度过的。睡眠的好坏，与人的心理和身体健康息息相关。有四要素，对睡眠的质量影响很大。睡眠的用具无论是南方的床，还是北方的炕，在安放或修造时，都应南北顺向，入睡时头北脚南，使机体不受地磁的干扰。铺的 If you sleep eight hours a day, one-third of a man’s life is spent in his sleep. Sleep is good or bad, and people’s psychological and physical health are closely related. There are four elements that have a significant impact on the quality of sleep. Sleep appliances Whether the bed in the south, or the kang in the north, when placed or built, should be the north-south, head to the north when going to sleep south, so that the body from the geomagnetic interference. Shop